Castle nodded seriously, understanding all of her reasons. Honestly, he didn't have to justify it to him. He understood what all of her hang ups about it were.
"This place feels... transient, you know?" he said. "People come and go. It'd be hard to raise a child if one of us could up and leave on any given day."
Part of him thought they should grab their happiness while they still could, but he knew it would be tough to have a baby with one of them absent.